Water-alcohol separating membrane and method for separation of w

Details Water-alcohol separating membrane and method for separation of w Water-alcohol separating membrane and method for separation of w

1988-02-03

1989-04-11

Spear, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

21050027, B01D 1300

Patent

active

048204188

ABSTRACT:
An insolubilized silk fibroin membrane possesses an ability to permit preferential permeation therethrough of water from a mixture of water and alcohol. When the mixture of water and alcohol is disposed on one side of this membrane and the space on the other side of the membrane is vacuumized, the water from the mixture preferentially permeates through the membrane and the alcohol concentration in the mixture proportionately increases.

REFERENCES:
patent: 4233211 (1980-11-01), Ohtomo et al.
patent: 4342711 (1982-08-01), Joh et al.
Journal of Membrane Science, vol. 23 (1985), pp. 41-58.
Polymer Journal, vol. 17, No. 3 (1985), pp. 499-508.
Journal of Polymer Science, Polymer Letter, vol. 22 (1984), pp. 473-475.
Polymer Journal, vol. 17, No. 2 (1985), pp. 363-368.
Journal of Membrane Science, vol. 24 (1985), pp. 101-119.
Kobunshi Ronbunshu, vol. 42, No. 2 (Feb. 1985), pp. 139-142.
Membrane, 6(3) (19861), pp. 168-184.

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